1610601166 has 4 divisors (see below), whose sum is σ = 2415901752. Its totient is φ = 805300582.

The previous prime is 1610601149. The next prime is 1610601211. The reversal of 1610601166 is 6611060161.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1610601166² = 5188072231841119112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402650290 + ... + 402650293.

It is an arithmetic number, because the mean of its divisors is an integer number (603975438).

Almost surely, 2^1610601166 is an apocalyptic number.

1610601166 is a deficient number, since it is larger than the sum of its proper divisors (805300586).

1610601166 is an equidigital number, since it uses as much as digits as its factorization.

1610601166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805300585.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1610601166 is about 40132.2957977736. The cubic root of 1610601166 is about 1172.1845775256.

The spelling of 1610601166 in words is "one billion, six hundred ten million, six hundred one thousand, one hundred sixty-six".